Depending on its layout your home may be better suited to one or the.
Humidity control for attic fan.
Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.
The normal indoor humidity range in winter should be 15.
During winter months humidity from this escaping air can condense on cold attic surfaces leading to mold.
40 watt solar attic fan bdb with thermostat humidistat adapter 22 5 x 22 5 x 11 in runs at night brushless motor solar vent hail and weather resistant.
It worked like a charm.
A couple different fan styles can be used to help control the temperature of an attic space.
The dual controls allow for a user to limit the operation of the fan based on user selected temperature and humidity levels.
In winter the humidistat operates the attic fan when the relative humidity exceeds a preset.
Humidistat control with thermostat control is a better design than thermostat control alone.
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The dual thermostat and humidistat is designed for use with power attic ventilators.
High humidity in an attic is usually caused by air leaks in the ceiling of the top floor of your house.
The afg pro 3 0 is possibly the most powerful residential attic fan on the market today.
Iliving 800 cfm shutter exhaust fan at amazon this fan can easily remove excess heat moisture and odor from any space up to 1 200 square feet.
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Extremely hight temps and extremely high humidity.
In summer the thermostat operates the fan when the attic temperature reaches a preset level usually 90 to 95 degrees f.
Here is a link to an article that describes the work.
The ideal way to control the operation of an attic fan is with a thermostat and a humidistat.
Make sure this fits by entering your model number.
So the first step is to seal the air leaks.
I recommended an attic fan on the rear face of the roof with a humidistat.
Running at 250 watt and moving over 2860 cfm this fan uses less power than typical attic fans that move half the amount of cfm.
Their functions differ somewhat.
How much depends on your climate and other house conditions.
The quietcool afg pro 3 0 attic gable fan can help cool and ventilate your attic for just pennies an hour.
Dual thermostat humidistat control for power attic ventilators.